diff --git a/package.json b/package.json
index 2ac4df46b..f6c38b9c8 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "fs-plus": "^2.8.0",
     "fstream": "0.1.24",
     "fuzzaldrin": "^2.1",
-    "git-utils": "^4.0.7",
+    "git-utils": "^4.0.8",
     "grim": "1.5.0",
     "jasmine-json": "~0.0",
     "jasmine-tagged": "^1.1.4",
@@ -137,8 +137,8 @@
     "language-php": "0.36.0",
     "language-property-list": "0.8.0",
     "language-python": "0.42.1",
-    "language-ruby": "0.65.0",
-    "language-ruby-on-rails": "0.24.0",
+    "language-ruby": "0.67.0",
+    "language-ruby-on-rails": "0.25.0",
     "language-sass": "0.45.0",
     "language-shellscript": "0.21.0",
     "language-source": "0.9.0",
diff --git a/src/browser/atom-application.coffee b/src/browser/atom-application.coffee
index fe21ae107..f6934761a 100644
--- a/src/browser/atom-application.coffee
+++ b/src/browser/atom-application.coffee
@@ -229,7 +229,7 @@ class AtomApplication
       @openUrl({urlToOpen, @devMode, @safeMode})
 
     app.on 'activate-with-no-open-windows', (event) =>
-      event.preventDefault()
+      event?.preventDefault()
       @emit('application:new-window')
 
     # A request from the associated render process to open a new render process.
@@ -384,7 +384,7 @@ class AtomApplication
   #   :safeMode - Boolean to control the opened window's safe mode.
   #   :profileStartup - Boolean to control creating a profile of the startup time.
   #   :window - {AtomWindow} to open file paths in.
-  openPath: ({pathToOpen, pidToKillWhenClosed, newWindow, devMode, safeMode, profileStartup, window}) ->
+  openPath: ({pathToOpen, pidToKillWhenClosed, newWindow, devMode, safeMode, profileStartup, window} = {}) ->
     @openPaths({pathsToOpen: [pathToOpen], pidToKillWhenClosed, newWindow, devMode, safeMode, profileStartup, window})
 
   # Public: Opens multiple paths, in existing windows if possible.
diff --git a/src/text-editor.coffee b/src/text-editor.coffee
index 1435aef19..91b1409a4 100644
--- a/src/text-editor.coffee
+++ b/src/text-editor.coffee
@@ -3037,7 +3037,7 @@ class TextEditor extends Model
 
   # Essential: Scrolls the editor to the given screen position.
   #
-  # * `screenPosition` An object that represents a buffer position. It can be either
+  # * `screenPosition` An object that represents a screen position. It can be either
   #    an {Object} (`{row, column}`), {Array} (`[row, column]`), or {Point}
   # * `options` (optional) {Object}
   #   * `center` Center the editor around the position if possible. (default: false)